# Interval Timer vs MI Workout Tracker

Interval Timer and MI Workout Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $1.99 per month and MI Workout Tracker sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer ships an update every 5 weeks, MI Workout Tracker monthly. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Interval Timer | MI Workout Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 14 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Prasa](https://appshunter.io/developer/1500038034) | [Anthony Sproson](https://appshunter.io/developer/1798234295) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-and-tabata/id1633488334)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium One Month | $1.99 | per month |
| Premium One Year | $8.49 | per year |
| Premium Lifetime | $16.99 | one-time |


### MI Workout Tracker

[App page](https://appshunter.io/ios/app/mi-workout-tracker/id6742410285)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Muscle Intelligence Monthly | $1.99 | per month |
| Muscle Intelligence Annual | $19.99 | per year |


## Frequently asked questions

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Is MI Workout Tracker free?

MI Workout Tracker is free to download, with in-app purchases available.

### Do Interval Timer or MI Workout Tracker have ads?

Neither Interval Timer nor MI Workout Tracker shows ads.

### Which is updated more often, Interval Timer or MI Workout Tracker?

Interval Timer ships an update every 5 weeks, and MI Workout Tracker monthly. Most recently, Interval Timer was updated on September 10, 2026 and MI Workout Tracker on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*